1. Ethiopian Health and Nutrition Research Institute Federal Democratic Republic of Ethiopia. Guideline on Measles Surveillance and Outbreak Management, 3rd Edition. January 2012.
2. Akalu HB. Review of Measles Situation in Ethiopia; Past and Present. J Trop Dis. 2015;4(2):2–7.
3. World Health Organization. Measles and rubella surveillance and outbreak investigation guidelines. WHO, 2009. https://apps.who.int/iris/bitstream/handle/10665/205481/B4314.pdf?sequence=1.
4. World Health Organization. African Regional guidelines for measles and rubella surveillance- Draft version April 2015. https://www.afro.who.int/sites/default/files/2017-06/who-african-regional-measles-and-rubella-surveillance-guidelines_updated-draft-version-april-2015_0.pdf.
5. World Health Organization. 2015. Immunization in practice: a practical guide for health staff, 2015 update. World Health Organization. https://apps.who.int/iris/handle/10665/193412.